fix(tinymce): Do not exceed height of element window #2680

Job	Run time
Check package.json	5s
Build JS packages	0s
Vitest	30s
RSpec (7.2, 3.4, sqlite, dragonfly)	5m 31s
RSpec (8.0, 3.4, sqlite, active_storage)	5m 12s
RSpec (8.0, 3.4, mariadb, dragonfly)	6m 10s
RSpec (8.1, 3.4, mariadb, dragonfly)	5m 59s
RSpec (8.1, 3.4, postgresql, active_storage)	5m 55s
RSpec (7.2, 3.2, mariadb, dragonfly)	6m 24s
RSpec (8.0, 3.4, postgresql, active_storage)	5m 35s
RSpec (8.0, 4.0, postgresql, active_storage, true)	5m 43s
RSpec (7.2, 3.3, postgresql, active_storage)	5m 35s
RSpec (8.1, 3.4, sqlite, active_storage)	5m 1s
PushJavascript	0s
	57m 40s

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